Home / 45,944.86-68,917.60-12,666.72

Finding the Fourth Proportional to 45,944.86, 68,917.60 and 12,666.72

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Solution

The fourth proportional to 45,944.86, 68,917.60 and 12,666.72 is: 19,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,944.86 : 68,917.60 = 12,666.72 : x
  2. Step 2: Convert to fraction form
    45,944.86/68,917.60 = 12,666.72/x
  3. Step 3: Cross multiply
    45,944.86x = 68,917.60 × 12,666.72
  4. Step 4: Simplify right side
    45,944.86x = 872,959,942.27
  5. Step 5: Solve for x
    x = 872,959,942.27/45,944.86
  6. Step 6: Final answer
    x = 19,000.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.